\documentclass[a4paper,12pt,twoside,openany,italian]{report}

\usepackage[utf8]{inputenc}
\usepackage[italian]{babel}
\usepackage{amsfonts,amstext,amsmath,amssymb}
\usepackage[alsoload=hep]{siunitx}
\usepackage{tikz}
\usepackage{lipsum}

\usetikzlibrary{arrows,decorations.pathmorphing,backgrounds,positioning,fit,petri,datavisualization.formats.functions}

\input{../TeX/math_op}

\begin{document}
\lipsum[1]
\begin{figure}[!h]
 \centering
 \input{__THE_FILE__}
\end{figure}
\lipsum[2]
\end{document}
